# inotify_add_watch

(PECL inotify >= 0.1.2)

inotify_add_watch — Add a watch to an initialized inotify instance

### Beschreibung

inotify_add_watch(resource `$inotify_instance`, string `$pathname`, int `$mask`): int|false

inotify_add_watch() adds a new watch or modify an existing watch for the file or directory specified in `pathname`.

Using inotify_add_watch() on a watched object replaces the existing watch. Using the `IN_MASK_ADD` constant adds (OR) events to the existing watch.

### Parameter-Liste

`inotify_instance`
  Von inotify_init() zurückgegebene Ressource
`pathname`
  File or directory to watch
`mask`
  Events to watch for. See Vordefinierte Konstanten.

### Rückgabewerte

The return value is a unique (inotify instance wide) watch descriptor, Bei einem Fehler wird `false` zurückgegeben..

### Siehe auch

- inotify_init() - Initialize an inotify instance

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